Define messed with heavily.ares93 wrote:Pardon the necro but makes more sense to post than to make a new thread.
Tried this on my mk2/w10 1903 and it does nothing. Neither does the MK2, 3 and 4 drivers. The touch does pass the built in bios diagnostic suite but is dead as a doornail in the os. Was the touchscreen changed between marks? I know my machine has been modified and it could possibly have a different lcd assembly. I have no info on it other than it came from a very toughbook knowledgeable person and has been messed with heavily.

Have you opened the top panel? (lid)
A picture would be interesting.
Kinda rare for a ts fpc/ffc to break in a CF-31. The TSPCB could be bad or unplugged.
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lsusb
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dmesg | grep Fuj
I'm not super sure that these codes actually see the touch panel itself but they should tell you if the mobo components are working.